GMAT Vocabulary Flash Cards @ englishpdf.com and englishteststore.com File 165 defiant (adj) Characterized by bold or insolent opposition deficiency (n) Lack or insufficiency deficient (adj) Not having an adequate or proper supply or amount definite (adj) Having an exact signification or positive meaning deflect (v) To cause to turn aside or downward deforest (v) To clear of forests deform (v) To disfigure deformity (n) A disfigurement